What Exactly Is a Law of Nature? | Robert Hazen & Michael Wong

What’s the difference between a fact, a law, and a theory? Mineralogist Robert Hazen and astrobiologist Michael Wong unpack the hierarchy of scientific ideas and reveal how laws of nature elegantly unify the universe.For more, check out the extended interview with Robert Hazen and Michael Wong.Learn more about NOVA and subscribe to our YouTube channel.

What this episode covers

What’s the difference between a fact, a law, and a theory? Mineralogist Robert Hazen and astrobiologist Michael Wong unpack the hierarchy of scientific ideas and reveal how laws of nature elegantly unify the universe. For more, check out the extended interview with Robert Hazen and Michael Wong. Learn more about NOVA and subscribe to our YouTube channel.

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This episode is 2 minutes long.

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This episode was published on February 11, 2026.

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